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Latest news about Onis Visa Diesel Generating sets

17 Feb

Visa will be exhibiting at the Middle East Electricity (MEE), the world’s largest power event in Dubai

19 Jan

ONISA VISA technical sponsor of Cortina d'Ampezzo (ITA) - Downhill - Ladies - World Cup 2015 (19th jan 2014 - 10.45 am)

09 Jan

Onis Visa will be present at the International Fairs Ground Khartoum - Sudan 21-28 Jan 2015.


With star the start of each of the three phases is connected together. Connections are taken from the ends of the three phases to give the three phases
Star symbol voltage


With Delta the starts and ends of the phases are connected. The end of phase 1 is connected to the start of phase 2, the end of phase 2 to the start of phase 3, and the end of phase 3 to the start of phase 1. Connections are taken from the three start-end points to give the three phases.
Delta symbol voltage
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